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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
22269 Periodic function, trip 1   1 13 30.34
17
50
22274 Missing Side   1 90 17.88
17
9
22319 Polynomial Table   1 10 29.68
17
17
22331 Intersection Query   1 14 15.38
50
34
22532 Cool Problem   1 16 54.05
1
17
22552 Flow on Tree   1 43 41.18
17
17
22554 Kingdom   1 40 44.60
34
34
23185 Pencil Game   1 21 23.14
17
17
23530 Suffixes   1 21 19.64
17
17
23737 Ogledala   1 26 34.25
34
17
23821 Magic Schools   1 24 20.00
34
34
24730 Magical colorful cats (hard)   1 12 28.48
34
34
25335 Eefun the Accountant   1 10 15.89
17
17
25339 Eefun and Doors   1 7 20.34
34
17
25450 When Does The World End   1 5 5.04
34
50
25476 Induced favoritism   1 41 28.93
17
34
25482 Kimetto Kipsang and Kipchoge   1 43 21.20
34
34
25528 LUTRIJA   1 8 27.91
17
17
25819 DOMINO   1 18 27.10
34
34
26180 Folding Stick   1 28 55.17
17
17
26183 Laser Beam 2.0   1 4 18.18
17
17
26663 Theater shade in Berland   1 26 12.00
34
17
26843 Who is the Best?   1 5 22.58
34
34
26913 SUPER CELL   1 36 19.84
17
17
26978 Hofstadter–Conway 10000 dollar sequence   1 8 42.86
17
34
27096 Forever Young   1 27 24.64
27098 Oil   1 86 26.94
17
34
27099 Road Times   1 7 41.05
27102 Swap Space   1 112 41.24
1
17
27337 LIS and tree   1 39 27.59
34
26
27341 Jumping Joey   1 6 58.33
34
17
27433 Divisible Fibonacci Numbers   1 29 29.33
17
34
27484 Zeros in Fibonacci period   1 13 39.04
27494 Happiness   1 6 13.95
50
50
27521 Domino's effect   1 14 35.25
1
9
28315 Shoumiks Weakness   1 12 21.43
34
34
28460 Congratulations, Fidel!   1 40 14.12
17
17
28462 New TAP   1 41 34.59
17
17
28463 Insect invasion   1 18 8.70
34
34
28465 Koalas   1 13 12.08
34
17
31280 Ada and Zoo   1 31 32.74
17
34
31342 Simple Path   1 29 25.00
17
17
31374 Matrix Multiplication 2K   1 34 32.70
26
9
31557 Halum and Candies   1 66 30.43
31884 RPS Warfare   1 21 23.94
17
17
31897 If Chain   1 26 44.27
17
17
31902 Paragliding Trip   1 21 30.10
17
34
31928 Those College Days!   1 236 28.57
5
6
31971 NEO   1 10 3.52
34
50
31973 THE SHORTEST PATH   1 31 29.73
26
17

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